Siga Technologies Inc
SIGA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001010086
No open-market purchases or sales by Siga Technologies Inc insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Siga Technologies Inc as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 131
- +3 vs. Q3 2023
- Shares held
- 34.1M
- −286.9K (−0.8%) vs. Q3 2023
- Total value
- $190.9M
- +$10.3M (+5.7%) vs. Q3 2023
- New holders
- 14
- 49 more added
- Sold out
- 11
- 39 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIGA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 161 | $127.0M |
| Q1 2026 | 183 | $184.0M |
| Q4 2025 | 200 | $219.1M |
| Q3 2025 | 197 | $311.0M |
| Q2 2025 | 178 | $224.8M |
| Q1 2025 | 167 | $192.5M |
| Q4 2024 | 170 | $208.0M |
| Q3 2024 | 169 | $240.7M |
| Q2 2024 | 151 | $256.6M |
| Q1 2024 | 144 | $288.1M |
| Q4 2023 | 131 | $190.9M |
| Q3 2023 | 129 | $180.8M |
| Q2 2023 | 131 | $168.1M |
| Q1 2023 | 142 | $182.1M |
| Q4 2022 | 160 | $227.9M |
| Q3 2022 | 155 | $296.8M |
| Q2 2022 | 142 | $302.3M |
| Q1 2022 | 110 | $150.5M |
| Q4 2021 | 116 | $166.7M |
| Q3 2021 | 104 | $159.6M |
| Q2 2021 | 102 | $128.2M |
| Q1 2021 | 105 | $139.8M |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nuveen Asset Management, LLC | 151,560 | $848.7K | 0.00% | +1,911+1.3% | Added |
| Macquarie Group Ltd | 171,378 | $960.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 187,260 | $1.05M | 0.00% | −402,977−68.3% | Reduced |
| Victory Capital Management Inc | 200,589 | $1.12M | 0.00% | +11,557+6.1% | Added |
| Bank of New York Mellon Corp | 212,493 | $1.19M | 0.00% | −70,331−24.9% | Reduced |
| Campbell & CO Investment Adviser LLC | 218,953 | $1.23M | 0.11% | +179,388+453.4% | Added |
| American Century Companies Inc | 248,802 | $1.39M | 0.00% | −59,474−19.3% | Reduced |
| Ameriprise Financial Inc | 287,658 | $1.61M | 0.00% | +61,520+27.2% | Added |
| Bank of America Corp | 290,425 | $1.63M | 0.00% | −123,781−29.9% | Reduced |
| Charles Schwab Investment Management Inc | 310,849 | $1.74M | 0.00% | −9,738−3.0% | Reduced |
| New York State Common Retirement Fund | 379,474 | $2.13M | 0.00% | −810.0% | Reduced |
| Morgan Stanley | 402,873 | $2.26M | 0.00% | +230,622+133.9% | Added |
| Legato Capital Management LLC | 403,087 | $2.26M | 0.29% | 00.0% | Unchanged |
| Price Jennifer C. | 458,700 | $2.57M | 1.71% | 00.0% | Unchanged |
| Northern Trust Corp | 490,231 | $2.75M | 0.00% | +24,615+5.3% | Added |
| Uniplan Investment Counsel, Inc. | 571,677 | $3.22M | 0.24% | +148,621+35.1% | Added |
| D. E. Shaw & Co., Inc. | 711,729 | $3.99M | 0.01% | −83,953−10.6% | Reduced |
| General American Investors Co Inc | 793,042 | $4.44M | 0.37% | −178,089−18.3% | Reduced |
| Jupiter Asset Management Ltd | 1,003,981 | $5.62M | 0.06% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,021,653 | $5.72M | 0.00% | +53,138+5.5% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,024,960 | $5.74M | 0.02% | +595,856+138.9% | Added |
| State Street Corp | 1,053,860 | $5.90M | 0.00% | +53,369+5.3% | Added |
| Goldman Sachs Group Inc | 1,647,455 | $9.23M | 0.00% | −658,770−28.6% | Reduced |
| Dimensional Fund Advisors LP | 1,698,154 | $9.51M | 0.00% | +226,187+15.4% | Added |
| Royce & Associates LP | 1,756,311 | $9.84M | 0.09% | +429,500+32.4% | Added |
| AltraVue Capital, LLC | 2,043,196 | $11.4M | 1.32% | −64,360−3.1% | Reduced |
| Vanguard Group Inc | 2,242,097 | $12.6M | 0.00% | +39,220+1.8% | Added |
| Kempen Capital Management N.V. | 2,274,359 | $12.7M | 0.18% | +343,599+17.8% | Added |
| First Wilshire Securities Management Inc | 2,362,107 | $13.2M | 4.28% | +297,095+14.4% | Added |
| Federated Hermes, Inc. | 3,219,848 | $18.0M | 0.04% | −1,143,392−26.2% | Reduced |
| BlackRock Inc. | 3,513,890 | $19.7M | 0.00% | +149,578+4.4% | Added |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −83,904−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −69,407−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −36,134−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −19,400−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −11,188−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −10,767−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −10,609−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −10,562−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −8,400−100.0% | Sold out |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |